In the digital age, social media has become a central platform for self-expression, necessitating a nuanced understanding of how individuals convey their thoughts and emotions. This chapter explores the various dimensions of self-expression on social media, starting with an examination of the psychological need for social approval. It highlights how this intrinsic desire drives online behaviours and influences the way people seek validation through likes, comments, and shares. The chapter then addresses the nuances of articulating likes and dislikes in the English language using important phrases, focusing on the significance of clear and effective communication. It further explores the use of idiomatic expressions to enhance emotional expression, offering insights into how these figures of speech can add depth and colour to online interactions. A significant portion of the chapter is dedicated to the use of visual mediums such as emojis, GIFs, and images. These tools are analysed for their role in enriching textual communication, helping users convey complex emotions and reactions succinctly and vividly. Additionally, the chapter provides practical advice on managing online interactions by filtering out spam and threats. It offers strategies for maintaining a safe and enjoyable social media experience, emphasizing the importance of digital literacy in navigating potential risks. By integrating psychological insights with practical communication strategies, this chapter offers a comprehensive guide to understanding and enhancing self-expression on social media. It aims to equip readers with the knowledge and skills to engage meaningfully and safely in the ever-evolving digital landscape.